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cve[email protected]CVE-2021-26081
HistoryJul 20, 2021 - 4:15 a.m.

CVE-2021-26081

2021-07-2004:15:09
web.nvd.nist.gov
80
5
cve-2021-26081
atlassian jira server
sensitive data exposure
rest api
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.2 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.9%

REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the /rest/api/latest/user/avatar/temporary endpoint.

Affected configurations

NVD
Node
atlassiandata_centerRange<8.5.14
OR
atlassianjiraRange<8.5.14
OR
atlassianjira_data_centerRange8.6.08.13.6
OR
atlassianjira_data_centerRange8.14.08.16.1
OR
atlassianjira_serverRange8.6.08.13.6
OR
atlassianjira_serverRange8.14.08.16.1

CNA Affected

[
  {
    "product": "Jira Server",
    "vendor": "Atlassian",
    "versions": [
      {
        "lessThan": "8.5.14",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "8.6.0",
        "versionType": "custom"
      },
      {
        "lessThan": "8.13.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "8.14.0",
        "versionType": "custom"
      },
      {
        "lessThan": "8.16.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Jira Data Center",
    "vendor": "Atlassian",
    "versions": [
      {
        "lessThan": "8.5.14",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "8.6.0",
        "versionType": "custom"
      },
      {
        "lessThan": "8.13.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "8.14.0",
        "versionType": "custom"
      },
      {
        "lessThan": "8.16.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.2 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.9%

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